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Author: Costas E Alissandrakis
Publisher: Frontiers Media SA
ISBN: 2832525067
Category : Science
Languages : en
Pages : 200
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Book Description
Author: Costas E Alissandrakis
Publisher: Frontiers Media SA
ISBN: 2832525067
Category : Science
Languages : en
Pages : 200
Get Book Here
Book Description
Author: Peter Schneider
Publisher: Springer
ISBN: 364254083X
Category : Science
Languages : en
Pages : 637
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Book Description
This second edition has been updated and substantially expanded. Starting with the description of our home galaxy, the Milky Way, this cogently written textbook introduces the reader to the astronomy of galaxies, their structure, active galactic nuclei, evolution and large scale distribution in the Universe. After an extensive and thorough introduction to modern observational and theoretical cosmology, the focus turns to the formation of structures and astronomical objects in the early Universe. The basics of classical astronomy and stellar astrophysics needed for extragalactic astronomy are provided in the appendix. While this book has grown out of introductory university courses on astronomy and astrophysics and includes a set of problems and solutions, it will not only benefit undergraduate students and lecturers; thanks to the comprehensive coverage of the field, even graduate students and researchers specializing in related fields will appreciate it as a valuable reference work.
Author: Dermott J. Mullan
Publisher: CRC Press
ISBN: 1000625079
Category : Science
Languages : en
Pages : 435
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Book Description
With an emphasis on numerical modelling, Physics of the Sun: A First Course presents a quantitative examination of the physical structure of the Sun and the conditions of its extended atmosphere. It gives step-by-step instructions for calculating the numerical values of various physical quantities in different regions of the Sun. Fully updated throughout, with the latest results in solar physics, this second edition covers a wide range of topics on the Sun and stellar astrophysics, including the structure of the Sun, solar radiation, the solar atmosphere, and Sun-space interactions. It explores how the physical conditions in the visible surface of the Sun are determined by the opacity of the material in the atmosphere. It also presents the empirical properties of convection in the Sun, discusses the physical conditions which must be satisfied for nuclear reactions to occur in the core, and describes how radiation transports energy from the core outwards. This text enables a practical appreciation of the physical models of solar processes. Numerical modelling problems and step-by-step instructions are featured throughout, to empower students to calculate, using their own codes, the interior structure of different parts of the Sun and the frequencies of p-modes and g-modes. They encourage a firm grasp of the numerical values of actual physical parameters as a function of radial location in the Sun. It is an ideal introduction to solar physics for advanced undergraduate and graduate students in physics and astronomy, in addition to research professionals looking to incorporate modelling into their practises. Extensive bibliographies at the end of each chapter enable the reader to explore the latest research articles in the field. Features: Fully updated with the latest results from the spacecraft Hinode, Stereo, Solar Dynamics Observatory (SDO), Interface Region Imaging Spectrograph (IRIS), and Parker Solar Probe Presents step-by-step explanations for calculating numerical models of the photosphere, convection zone, and radiative interior with exercises and simulation problems to test learning Describes the structure of polytropic spheres and the acoustic power in the Sun and the process of thermal conduction in different physical conditions
Author: Bin Chen
Publisher: Frontiers Media SA
ISBN: 2889711064
Category : Science
Languages : en
Pages : 234
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Book Description
Author: Kenneth I. Kellermann
Publisher: Cambridge University Press
ISBN: 131651935X
Category : Science
Languages : en
Pages : 415
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Book Description
Describes how radio astronomers made a series of remarkable serendipitous discoveries that changed our understanding of the Universe.
Author: M. Antonietta Barucci
Publisher: University of Arizona Press
ISBN: 9780816527557
Category : Science
Languages : en
Pages : 644
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Book Description
A new frontier in our solar system opened with the discovery of the Kuiper Belt and the extensive population of icy bodies orbiting beyond Neptune. Today the study of all of these bodies, collectively referred to as trans-Neptunian objects, reveals them to be frozen time capsules from the earliest epochs of solar system formation. This new volume in the Space Science Series, with one hundred contributing authors, offers the most detailed and up-to-date picture of our solar systemÕs farthest frontier. Our understanding of trans-Neptunian objects is rapidly evolving and currently constitutes one of the most active research fields in planetary sciences. The Solar System Beyond Neptune brings the reader to the forefront of our current understanding and points the way to further advancement in the field, making it an indispensable resource for researchers and students in planetary science.
Author: R. J. Bray
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 456
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Book Description
A young boy, angry because his family is moving again, begins to play with puppets rather than make new friends.
Author: Ashraf - Ali
Publisher: Frontiers Media SA
ISBN: 2832500730
Category : Science
Languages : en
Pages : 170
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Book Description
Author: Henrik Beuther
Publisher: University of Arizona Press
ISBN: 0816531242
Category : Science
Languages : en
Pages : 945
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Book Description
Proceedings of a conference held in Heidelberg, Germany, July 15-20, 2013.
Author: M.J. Thompson
Publisher: Springer Science & Business Media
ISBN: 1441902392
Category : Science
Languages : en
Pages : 424
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Book Description
Starting in 1995 numerical modeling of the Earth’s dynamo has ourished with remarkable success. Direct numerical simulation of convection-driven MHD- ow in a rotating spherical shell show magnetic elds that resemble the geomagnetic eld in many respects: they are dominated by the axial dipole of approximately the right strength, they show spatial power spectra similar to that of Earth, and the magnetic eld morphology and the temporal var- tion of the eld resembles that of the geomagnetic eld (Christensen and Wicht 2007). Some models show stochastic dipole reversals whose details agree with what has been inferred from paleomagnetic data (Glatzmaier and Roberts 1995; Kutzner and Christensen 2002; Wicht 2005). While these models represent direct numerical simulations of the fundamental MHD equations without parameterized induction effects, they do not match actual pla- tary conditions in a number of respects. Speci cally, they rotate too slowly, are much less turbulent, and use a viscosity and thermal diffusivity that is far too large in comparison to magnetic diffusivity. Because of these discrepancies, the success of geodynamo models may seem surprising. In order to better understand the extent to which the models are applicable to planetary dynamos, scaling laws that relate basic properties of the dynamo to the fundamental control parameters play an important role. In recent years rst attempts have been made to derive such scaling laws from a set of numerical simulations that span the accessible parameter space (Christensen and Tilgner 2004; Christensen and Aubert 2006).
